Enhanced Fault-Tolerant Model Predictive Current Control for a Five-Phase PM Motor With Continued Modulation

Tao, Tao; Zhao, Wenxiang; He, Ye; Cheng, Yu; Saeed, Suleman; Zhu, Jihong

doi:10.1109/tpel.2020.3018302

Cited by 40 publications

(10 citation statements)

References 25 publications

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“…In Ref. [14], a redesigned space vector distribution of 10 virtual voltage vectors is presented, which ensures the elimination of harmonics along the y-axis and the symmetrical PWM realization. These virtual vectors are shown in Fig.…”

Section: Post-fault Virtual Vector Space Distribution and Amplitude Adjustmentmentioning

confidence: 99%

“…The key solutions to the abovementioned problems in the conventional fault-tolerant FCS-MPC scheme for operation in five-phase and six-phase motors are presented in Refs. [10][11][12][13][14]. In Ref.…”

Section: Introductionmentioning

confidence: 99%

“…[13], harmonic-less virtual voltage vectors were reported, and in Ref. [14], a model predictive current control method with continuous modulation was proposed, in which the post-fault voltage vector distribution was remodeled. This produced standard PWM waves, and the back electromotive force of the faulty phase was reimbursed.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Fault-tolerant deadbeat model predictive current control for a five-phase PMSM with improved SVPWM

Saeed

Zhao

Wang

et al. 2021

Chin. J. Electr. Eng.

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The main drawbacks of traditional finite set model predictive control are high computational load, large torque ripple, and variable switching frequency. A less complex deadbeat (DB) model predictive current control (MPCC) with improved space vector pulse-width modulation (SVPWM) under a single-phase open-circuit fault is proposed. The proposed method predicts the reference voltage vector in the α-β subspace by employing the deadbeat control principle on the machine predictive model; thus, the exhaustive exploration procedure is avoided to relieve the computational load. To perform the constant switching frequency operation and achieve better steady-state performance, a modified SVPWM strategy is developed with the same conventional structure, which modulates the reference voltage vector. This new approach is based on a redesigned and adjusted post-fault virtual voltage vector space distribution that eliminates the y-axis harmonic components in the x-y subspace and ensures the generation of symmetrical PWM pulses. Meanwhile, the combined merits of the DB, MPCC, and SVPWM methods are realized. To verify the effectiveness of the proposed control scheme, comparative experiments are performed on a five-phase permanent magnet synchronous motor (PMSM) drive system.

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Section: Post-fault Virtual Vector Space Distribution and Amplitude Adjustmentmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Fault-tolerant deadbeat model predictive current control for a five-phase PMSM with improved SVPWM

Saeed

Zhao

Wang

et al. 2021

Chin. J. Electr. Eng.

Self Cite

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“…Permanent magnet synchronous motor (PMSM) is broadly used in industrial production, such as wind power, electric locomotive, and numerical control machine tool [1]. Under the background of vigorous expansion in new energy application technology, the electric drive system composed of multi-phase PMSM and buck-boost power converter caters to the development trend of new energy [2] [3]. Due to the increase of the phase number of stator winding, multiphase PMSM can normally work despite two of the bridge arm broken.…”

Section: Introductionmentioning

confidence: 99%

Cascade Model Predictive Current Control for Five-Phase Permanent Magnet Synchronous Motor

Shu

2022

IEEE Access

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As to the model predictive control for five-phase permanent magnet synchronous motor (PMSM), it is difficult to ensure the optimal control performance by using calculation method to obtain the weighting factor. To solve this problem, a cascade model predictive current control based on the idea of sequential model predictive control is proposed for five-phase PMSM for the first time. Firstly, the principle of selecting the optimal voltage vector by the proposed method is analyzed in detail. Then, combined with the characteristics of five-phase PMSM, the control priority of controlled variables is set for designing two cost function schemes without weight factor. The maximum torque scheme can generate a trapezoidal stator voltage, improving the DC bus voltage utilization rate and the system loading capacity. The minimum harmonic current scheme can reduce the harmonic of stator current, obtaining small system noise and vibration. The experimental results indicate that the proposed method can ensure the optimality of the voltage vector applied. Therefore, the five-phase PMSM obtains good performance under different working operation, such as small torque ripple, fast dynamic response, and small harmonic current.

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“…N recent years, with the rapid development of aerospace, ship propulsion, and new energy vehicles, the research on multi-phase permanent magnet synchronous motor (PMSM) has attracted extensive attention [1]- [2]. Compared with three- This work was supported by the National Natural Science Foundation of China under Grant 61603263.…”

Section: Introductionmentioning

confidence: 99%

Research on Open-circuit Fault Tolerant Control of Six-phase Permanent Magnet Synchronous Machine Based on Fifth Harmonic Current Injection

Zhang

et al. 2022

Trans. Electr. Mach. Syst.

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This paper proposes a novel control approach for fault-tolerant control of dual three-phase permanent magnet synchronous motor (PMSM) under one-phase open-circuit fault. A modified six-phase static coordinate transformation matrix and an extended rotating coordinate transformation matrix are investigated considering the influence of the fifth harmonic space on fault-tolerant control. These mathematical models are further analyzed in the fundamental space and the fifth harmonic space after the fault and to eliminate the coupling between the d-q axis voltage equation in the fundamental wave space and the d-q axis voltage equation in the fifth harmonic space, a secondary rotation coordinate transformation matrix is proposed. To achieve the purpose of reducing torque ripple, the fault-tolerant control method proposed in this paper not only takes the minimum copper loss as the constraint condition, but also injects the fifth harmonic current. The experimental result of current and torque is used to verify the accuracy of fault-tolerant control.

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Enhanced Fault-Tolerant Model Predictive Current Control for a Five-Phase PM Motor With Continued Modulation

Cited by 40 publications

References 25 publications

Fault-tolerant deadbeat model predictive current control for a five-phase PMSM with improved SVPWM

Fault-tolerant deadbeat model predictive current control for a five-phase PMSM with improved SVPWM

Cascade Model Predictive Current Control for Five-Phase Permanent Magnet Synchronous Motor

Research on Open-circuit Fault Tolerant Control of Six-phase Permanent Magnet Synchronous Machine Based on Fifth Harmonic Current Injection

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